2024 Day 6 Complete!

helpers/helpers.go

@@ -31,6 +31,12 @@ const (
 	SHRUG = "¯\\_(ツ)_/¯"
 )
 
+func CheckErr(err error) {
+	if err != nil {
+		panic(err)
+	}
+}
+
 // Fact returns the factorial of the given int
 func Fact(x int) int {
 	var ret int
@@ -402,6 +408,7 @@ func SliceMin(sl []int) int {
 		return Min(sl[0], sl[1], sl[2:]...)
 	}
 }
+
 func Min(v1, v2 int, vrest ...int) int {
 	min := v2
 	if v1 < v2 {
@@ -440,3 +447,17 @@ func Sum(l, h int) int {
 func ManhattanDistance(x1, y1, x2, y2 int) int {
 	return AbsInt(x1-x2) + AbsInt(y1-y2)
 }
+
+func PromptUser(text string, required bool) string {
+	var resp string
+	fmt.Print(text + ": ")
+	scanner := bufio.NewScanner(os.Stdin)
+	if scanner.Scan() {
+		resp = scanner.Text()
+	}
+	if resp == "" && required {
+		fmt.Println("Non-empty response is required")
+		return PromptUser(text, required)
+	}
+	return strings.TrimSpace(resp)
+}